Sure! Let’s solve all the
two-digit addition problems step by step.
There are 16 problems arranged in a 4x4 grid. We’ll go row by row and solve each one, explaining how to add two-digit numbers.
---
🔢 Basic Strategy for Two-Digit Addition:
Add the
ones place first, then the
tens place. If the ones add up to 10 or more, carry the extra ten over to the tens column.
---
##
✔ Row 1:
1.
10 + 15
- Ones: 0 + 5 = 5
- Tens: 1 + 1 = 2
-
Answer: 25
2.
12 + 14
- Ones: 2 + 4 = 6
- Tens: 1 + 1 = 2
-
Answer: 26
3.
15 + 11
- Ones: 5 + 1 = 6
- Tens: 1 + 1 = 2
-
Answer: 26
4.
18 + 12
- Ones: 8 + 2 = 10 → write down 0, carry 1
- Tens: 1 + 1 + 1 (carry) = 3
-
Answer: 30
---
##
✔ Row 2:
5.
17 + 13
- Ones: 7 + 3 = 10 → write 0, carry 1
- Tens: 1 + 1 + 1 = 3
-
Answer: 30
6.
12 + 17
- Ones: 2 + 7 = 9
- Tens: 1 + 1 = 2
-
Answer: 29
7.
19 + 11
- Ones: 9 + 1 = 10 → write 0, carry 1
- Tens: 1 + 1 + 1 = 3
-
Answer: 30
8.
15 + 12
- Ones: 5 + 2 = 7
- Tens: 1 + 1 = 2
-
Answer: 27
---
##
✔ Row 3:
9.
16 + 14
- Ones: 6 + 4 = 10 → write 0, carry 1
- Tens: 1 + 1 + 1 = 3
-
Answer: 30
10.
12 + 12
- Ones: 2 + 2 = 4
- Tens: 1 + 1 = 2
-
Answer: 24
11.
15 + 17
- Ones: 5 + 7 = 12 → write 2, carry 1
- Tens: 1 + 1 + 1 = 3
-
Answer: 32
12.
17 + 12
- Ones: 7 + 2 = 9
- Tens: 1 + 1 = 2
-
Answer: 29
---
##
✔ Row 4:
13.
15 + 13
- Ones: 5 + 3 = 8
- Tens: 1 + 1 = 2
-
Answer: 28
14.
12 + 19
- Ones: 2 + 9 = 11 → write 1, carry 1
- Tens: 1 + 1 + 1 = 3
-
Answer: 31
15.
14 + 11
- Ones: 4 + 1 = 5
- Tens: 1 + 1 = 2
-
Answer: 25
16.
15 + 17
- Ones: 5 + 7 = 12 → write 2, carry 1
- Tens: 1 + 1 + 1 = 3
-
Answer: 32
---
## 📋 Final Answers (in order, left to right, top to bottom):
```
25 26 26 30
30 29 30 27
30 24 32 29
28 31 25 32
```
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✔ You can now fill in each red oval with these answers!
Let me know if you’d like this as a printable answer sheet or want to check your child’s work! 😊
Parent Tip: Review the logic above to help your child master the concept of addition worksheet and.
